thicker hair

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Quick Fixes
Long-term measures can take three to six months to yield results. In the meantime, it's worth trying some temporary solutions. Hair fiber powders (they come in a variety of shades) can be shaken on sparse areas to mask them. Try Keranique ($40; Keranique.com), Toppik ($25; Toppik.com), or Viviscal ($25; Viviscal.com). You can also make individual hair shafts thicker by using the leave-in treatments Redken Cerafill Maximize Dense Fx ($45; Redken.com for salons) or Nioxin DiaMax Advanced ($50; nioxin.com for salons).